NA

CVE-2022-4055

Published: 19/11/2022 Updated: 26/11/2022
CVSS v3 Base Score: 7.4 | Impact Score: 4 | Exploitability Score: 2.8
VMScore: 0

Vulnerability Summary

When xdg-mail is configured to use thunderbird for mailto URLs, improper parsing of the URL can lead to additional headers being passed to thunderbird that should not be included per RFC 2368. An attacker can use this method to create a mailto URL that looks safe to users, but will actually attach files when clicked.

Vulnerability Trend

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freedesktop xdg-utils

Vendor Advisories

Debian Bug report logs - #1027160 xdg-utils: CVE-2022-4055 Package: src:xdg-utils; Maintainer for src:xdg-utils is Debian freedesktoporg maintainers <pkg-freedesktop-maintainers@listsaliothdebianorg>; Reported by: Moritz Mühlenhoff <jmm@inutilorg> Date: Wed, 28 Dec 2022 18:51:05 UTC Severity: important Tags: se ...
A flaw was found in the xdg-email component of xdg-utils-110-rc1 and newer When handling mailto: URIs, xdg-email allows attachments to be discreetly added via the URI when being passed to Thunderbird An attacker could potentially send a victim a URI that automatically attaches a sensitive file to a new email If a victim user does not notice th ...